{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["location contains", "sports team of location", "country of capital", "place of birth"], "input": "The composer , Alun Hoddinott , a former professor of music at University College in Cardiff , Wales , who previously composed pieces to celebrate Charles 's 16th birthday and his investiture as Prince of Wales , said , '' It is a specific piece written for the specific circumstances of a specific occasion , and it will be played that once and not again . ''"}
{"location contains": [{"subject": "Wales", "object": "Cardiff"}], "sports team of location": [], "country of capital": [{"subject": "Wales", "object": "Cardiff"}], "place of birth": []}